Ignite the Spark

Enchant Legendary Creature with the same color identity as the mana used to cast this spell.
When Ignite the Spark enters the battlefield, put
4 loyalty counters on the creature it enchants.
Enchanted creature is a planeswalker with "+1:
Draw a card", "-2: Deal three damage to any
target", and "-7: Destroy all enchantments
attached to this planeswalker. It gains indestructible and has base power and toughness
21/21" and loses all other types and abilities.